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Record W2324063831 · doi:10.1021/ie201108b

Heat Transfer in a Slurry Bubble Column Reactor: A Critical Overview

2011· article· en· W2324063831 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueIndustrial & Engineering Chemistry Research · 2011
Typearticle
Languageen
FieldEngineering
TopicFluid Dynamics and Mixing
Canadian institutionsWestern University
Fundersnot available
KeywordsHeat transferBubbleThermodynamicsRheologyHeat transfer coefficientSlurryMechanicsParticle (ecology)Materials scienceFlow (mathematics)ChemistryPhysics

Abstract

fetched live from OpenAlex

Studies of heat transfer in slurry bubble column reactors have been reviewed and observed differences analyzed based on available data. Heat transfer in these reactors is a strong function of some parameters and a weak function of others. The parameters significantly influencing heat transfer in these reactors are the superficial gas velocity, thermophysical properties of liquid and solid particles, and size and concentration of the particles. Moreover, the rate of change with a parameter is dependent on the operating flow regime, particle properties, and presence of internals. Of all of the parameters, the effect of the particles is more complex and inadequately understood because particles influence the flow regime transition and thermophysical and rheological properties of the suspension, which, in turn, affect the hydrodynamic behavior and associated heat-transfer characteristics. The effects of the column diameter and internals have been investigated by a limited number of studies. A comparison of available data shows that the effect of the column diameter on heat transfer diminishes above 0.3 m. This, however, requires confirmation from larger-diameter studies together with associated hydrodynamic studies and appropriate modeling. Literature correlations for the heat-transfer coefficient have been reviewed and their limitations and applicability discussed. Axial and radial variations of heat-transfer coefficients reported in literature studies require appropriate design considerations.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.218
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.002
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.168
GPT teacher head0.323
Teacher spread0.155 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it